<template>
  <div>
    <div class="search-term">
      <el-form :inline="true" :model="searchInfo" class="demo-form-inline">
        <el-form-item label="分类标题">
          <el-input placeholder="搜索条件" v-model="searchInfo.title"></el-input>
        </el-form-item>
        <el-form-item label="封面图">
          <el-input placeholder="搜索条件" v-model="searchInfo.cover_img"></el-input>
        </el-form-item>
        <el-form-item label="排序">
          <el-input placeholder="搜索条件" v-model="searchInfo.sort"></el-input>
        </el-form-item>
        <el-form-item>
          <el-button @click="onSubmit" type="primary">查询</el-button>
        </el-form-item>
        <el-form-item>
          <el-button @click="openDialog" type="primary">新增分类名</el-button>
        </el-form-item>
        <el-form-item>
          <el-popover placement="top" v-model="deleteVisible" width="160">
            <p>确定要删除吗？</p>
            <div style="text-align: right; margin: 0">
              <el-button @click="deleteVisible = false" size="mini" type="text">取消</el-button>
              <el-button @click="onDelete" size="mini" type="primary">确定</el-button>
            </div>
            <el-button icon="el-icon-delete" size="mini" slot="reference" type="danger">批量删除</el-button>
          </el-popover>
        </el-form-item>
      </el-form>
    </div>
    <el-table
        :data="tableData"
        @selection-change="handleSelectionChange"
        border
        ref="multipleTable"
        stripe
        style="width: 100%"
        tooltip-effect="dark"
    >
      <el-table-column type="selection" width="55"></el-table-column>
      <el-table-column label="日期" width="180">
        <template slot-scope="scope">{{scope.row.CreatedAt|formatDate}}</template>
      </el-table-column>

      <el-table-column label="分类标题" prop="title" width="120"></el-table-column>

      <el-table-column label="封面图" prop="cover_img" width="120"></el-table-column>

      <el-table-column label="排序" prop="sort" width="120"></el-table-column>

      <el-table-column label="是否展示" prop="is_show" width="120"></el-table-column>

      <el-table-column label="按钮组">
        <template slot-scope="scope">
          <el-button class="table-button" @click="updateArticleClass(scope.row)" size="small" type="primary" icon="el-icon-edit">变更</el-button>
          <el-popover placement="top" width="160" v-model="scope.row.visible">
            <p>确定要删除吗？</p>
            <div style="text-align: right; margin: 0">
              <el-button size="mini" type="text" @click="scope.row.visible = false">取消</el-button>
              <el-button type="primary" size="mini" @click="deleteArticleClass(scope.row)">确定</el-button>
            </div>
            <el-button type="danger" icon="el-icon-delete" size="mini" slot="reference">删除</el-button>
          </el-popover>
        </template>
      </el-table-column>
    </el-table>

    <el-pagination
        :current-page="page"
        :page-size="pageSize"
        :page-sizes="[10, 30, 50, 100]"
        :style="{float:'right',padding:'20px'}"
        :total="total"
        @current-change="handleCurrentChange"
        @size-change="handleSizeChange"
        layout="total, sizes, prev, pager, next, jumper"
    ></el-pagination>

    <el-dialog :before-close="closeDialog" :visible.sync="dialogFormVisible" title="弹窗操作">
      <el-form :model="formData" label-position="right" label-width="80px">
        <el-form-item label="分类标题:">
          <el-input v-model="formData.title" clearable placeholder="请输入" ></el-input>
        </el-form-item>

        <el-form-item label="封面图:">
          <el-input v-model="formData.cover_img" clearable placeholder="请输入" ></el-input>
        </el-form-item>

        <el-form-item label="排序:"><el-input v-model.number="formData.sort" clearable placeholder="请输入"></el-input>
        </el-form-item>

        <el-form-item label="是否展示:"><el-input v-model.number="formData.is_show" clearable placeholder="请输入"></el-input>
        </el-form-item>
      </el-form>
      <div class="dialog-footer" slot="footer">
        <el-button @click="closeDialog">取 消</el-button>
        <el-button @click="enterDialog" type="primary">确 定</el-button>
      </div>
    </el-dialog>
  </div>
</template>

<script>
import {
  createArticleClass,
  deleteArticleClass,
  deleteArticleClassByIds,
  updateArticleClass,
  findArticleClass,
  getArticleClassList
} from "@/api/article_class";  //  此处请自行替换地址
import { formatTimeToStr } from "@/utils/date";
import infoList from "@/mixins/infoList";
export default {
  name: "ArticleClass",
  mixins: [infoList],
  data() {
    return {
      listApi: getArticleClassList,
      dialogFormVisible: false,
      visible: false,
      type: "",
      deleteVisible: false,
      multipleSelection: [],formData: {
        title:"",
        cover_img:"",
        sort:0,
        is_show:0,

      }
    };
  },
  filters: {
    formatDate: function(time) {
      if (time != null && time != "") {
        var date = new Date(time);
        return formatTimeToStr(date, "yyyy-MM-dd hh:mm:ss");
      } else {
        return "";
      }
    },
    formatBoolean: function(bool) {
      if (bool != null) {
        return bool ? "是" :"否";
      } else {
        return "";
      }
    }
  },
  methods: {
    //条件搜索前端看此方法
    onSubmit() {
      this.page = 1
      this.pageSize = 10
      this.getTableData()
    },
    handleSelectionChange(val) {
      this.multipleSelection = val
    },
    async onDelete() {
      const ids = []
      this.multipleSelection &&
      this.multipleSelection.map(item => {
        ids.push(item.ID)
      })
      const res = await deleteArticleClassByIds({ ids })
      if (res.code == 0) {
        this.$message({
          type: 'success',
          message: '删除成功'
        })
        this.deleteVisible = false
        this.getTableData()
      }
    },
    async updateArticleClass(row) {
      const res = await findArticleClass({ ID: row.ID });
      this.type = "update";
      if (res.code == 0) {
        this.formData = res.data.rearticleClass;
        this.dialogFormVisible = true;
      }
    },
    closeDialog() {
      this.dialogFormVisible = false;
      this.formData = {
        title:"",
        cover_img:"",
        sort:0,
        is_show:0,

      };
    },
    async deleteArticleClass(row) {
      this.visible = false;
      const res = await deleteArticleClass({ ID: row.ID });
      if (res.code == 0) {
        this.$message({
          type: "success",
          message: "删除成功"
        });
        this.getTableData();
      }
    },
    async enterDialog() {
      let res;
      switch (this.type) {
        case "create":
          res = await createArticleClass(this.formData);
          break;
        case "update":
          res = await updateArticleClass(this.formData);
          break;
        default:
          res = await createArticleClass(this.formData);
          break;
      }
      if (res.code == 0) {
        this.$message({
          type:"success",
          message:"创建/更改成功"
        })
        this.closeDialog();
        this.getTableData();
      }
    },
    openDialog() {
      this.type = "create";
      this.dialogFormVisible = true;
    }
  },
  async created() {
    await this.getTableData();

  }
};
</script>

<style>
</style>
